$100x^2+180x+18$

$\left(-2x+b-6c\right)-\left(-4x-3b-2c\right)$

$\left(4x-7\right)^3$

$\left(1+\tan\left(a\right)\right)\left(1-\tan\left(a\right)\right)+\sec^2\left(a\right)$

$\frac{dy}{dx}\left(y=\left(\arctan\left(x\right)\right)^2\right)$

$a\left(y\:-\:3\right)\:+\:b\left(y\:-\:3\right)$

$\left(2^{-7}\cdot5^5\right)^3$